Read this Manual carefully. Failure to adhere to or observe the information in this Manual may result in exposing
yourself to the Microwave Energy normally contained within the oven cavity.
SAFETY PRECAUTIONS .........................................................................................................
SPECIFICATIONS..........................................................................................................................................
CAUTIONS .....................................................................................................................................................
INSTALLATIONS............................................................................................................................................
OPERATING INSTRUCTIONS.......................................................................................................................
CONTROL PANEL .................................................................................................................................
OVERALL CIRCUIT DIAGRAM......................................................................................................................
SCHEMATIC DIAGRAM.........................................................................................................................
TRIAL OPERATION ...............................................................................................................................
SERVICE INFORMATION .............................................................................................................................
MICROWAVE LEAKAGE TEST .............................................................................................................
POWER OUTPUT MEASUREMENT .....................................................................................................
DISASSEMBLY INSTRUCTIONS ..........................................................................................................
INTERLOCK SYSTEM .......................................................................................................................... 7-11
INTERLOCK CONTINUITY TEST .......................................................................................................... 7-13
A. TEST PROCEDURES................................................................................................................ 7-14
B. CHECKOUT PROCEDURES..................................................................................................... 7-16
C. TROUBLESHOOTING ............................................................................................................... 7-19
EXPLODED VIEW ..........................................................................................................................................
REPLACEMENT PARTS LIST ...............................................................................................................
SCHEMATIC DIAGRAM OF PCB .......................................................................................................... 8-16
PRINTED CIRCUIT BOARD .................................................................................................................. 8-17
PCB PARTS LIST................................................................................................................................... 8-18
FOREWORD
MODEL 721. 63662
721. 63663
721. 63664
721. 63669
TABLE OF CONTENTS
(Page)
Inside front page
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3-1
4-1
4-1
4-2
5-1
5-1
5-2
6-1
6-1
6-1
6-1
7-1
7-1
7-2
7-3
7-4
8-1
8-8